top of page
Calendar of Upcoming Events

Below are training events currently scheduled:



                         - Navigating the New Tidal Datum Epoch: Essential Tips for Land Surveyors






                         - Practical Geodesy for Practical Surveyors

                         - Rationale for and Expectations of the Planned Geodetic Datum Changes





     Dave has been invited to speak at the Conferences of the New Jersey Society of Professional Land Surveyors (February) and the Land Surveyors Association of Washington (February/March). 


       Check back later for details, and to see where else Dave is presenting!




What people are saying about Dave and Base 9 Geodetic Consulting Services workshops:


  • "You are the Neil deGrasse Tyson of Surveying"

  • "Great speaker!! Very informed; please come back."

  • "Always learn new things from David Doyle.""

  • "A great speaker. Very knowledgeable and easy to listen to. Lots of good information."

  • "Extremely informative. Dave is always an excellent presenter."

  • "Would like to see this seminar each year to keep updated on NSRS."

  • "Invaluable presenter with wealth of knowledge and the wisdom to make understanding content easier."

  • "Instructor extremely informative and knowledgeable. Would recommend every surveyor take his class."

  • "This course should be repeated in future conferences."

  • "Good speaker and did not talk over our heads."

  • "Very experienced, based on 'real world' experience."




You can contact these organizations, who have hosted Base 9 Geodetic Consulting Services seminars, for references/reviews:

Virginia Association of Surveyors - April 2023

West Virginia Society of Professional Surveyors - February 2023

New Jersey Society of Professional Land Surveyors - February 2023

Maryland Surveyors Society - October 2022

Maine Society of Land Surveyors - September 2022

Land Surveyors Association of Washington - March 2022

Professional Land Surveyors of Oregon - January 2022

Texas Society of Professional Surveyors - September 2021

Professional Surveyors Association of Nebraska - June 2021





Videos/recordings of Dave's seminars:

-- "Relationship of and transformations between most common reference frames used in the U.S."; January 30, 2015 

-- "Modernization of the National Spatial Reference System "; March 14, 2014

-- Fundamentals of Geodesy, November 14, 2014, 4:24

-- NGS Datasheets Tips, January 12, 2015, 3:59

bottom of page